/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: dings
 * Date: 2024-04-28
 * Time: 20:00
 */
class Person {

}
public class TestDemo {
    public static void func(Object o) {

    }
    public static void main(String[] args) {
        System.out.println(new Person());
        func(new Person());
    }
}
